<!--
 * @Author: xuhy 1727317079@qq.com
 * @Date: 2022-09-16 10:38:15
 * @LastEditors: xuhy 1727317079@qq.com
 * @LastEditTime: 2022-09-16 10:58:03
 * @FilePath: \vue3_test\src\components\DialogOne.vue
 * @Description: 对话框组件
-->
<template>
  <div>
    <button @click="isShow = true">点我弹个窗</button>
    <teleport to="body">
      <div v-if="isShow" class="mask">
        <div class="dialog">
          <h3>我是一个弹窗</h3>
          <h4>一些内容</h4>
          <h4>一些内容</h4>
          <h4>一些内容</h4>
          <button @click="isShow = false">关闭弹窗</button>
        </div>
      </div>
    </teleport>
  </div>
</template>

<script>
import { ref } from "vue";
export default {
  name: "DialogOne",
  setup() {
    let isShow = ref(false);

    return {
      isShow,
    };
  },
};
</script>

<style>
.dialog {
  width: 300px;
  height: 300px;
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: green;
}
.mask {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.5);
}
</style>
